feature #577 [Platform] Remove default model names from constructor parameters (OskarStark)

This PR was squashed before being merged into the main branch.

Discussion
----------

[Platform] Remove default model names from constructor parameters

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| Docs?         | no
| Issues        | --
| License       | MIT

Removes default model names from all Model class constructors to prevent breaking changes when default models are changed. Model names must now be explicitly provided when instantiating model classes.

Commits
-------

a5c7bc0 [Platform] Remove default model names from constructor parameters

Author: OskarStark

demo/src/Blog/Command/QueryCommand.php

@@ -44,7 +44,7 @@ public function __invoke(SymfonyStyle $io): int
         $io->comment(\sprintf('Converting "%s" to vector & searching in Chroma DB ...', $search));
         $io->comment('Results are limited to 4 most similar documents.');
 
-        $platformResponse = $this->platform->invoke(new Embeddings(), $search);
+        $platformResponse = $this->platform->invoke(new Embeddings(Embeddings::TEXT_3_SMALL), $search);
         $queryResponse = $collection->query(
             queryEmbeddings: [$platformResponse->asVectors()[0]->getData()],
             nResults: 4,

examples/azure/audio-transcript.php

@@ -22,7 +22,7 @@
     env('AZURE_OPENAI_KEY'),
     http_client(),
 );
-$model = new Whisper();
+$model = new Whisper(Whisper::WHISPER_1);
 $file = Audio::fromFile(dirname(__DIR__, 2).'/fixtures/audio.mp3');
 
 $result = $platform->invoke($model, $file);

examples/azure/embeddings.php

@@ -21,7 +21,7 @@
     env('AZURE_OPENAI_KEY'),
     http_client(),
 );
-$embeddings = new Embeddings();
+$embeddings = new Embeddings(Embeddings::TEXT_3_SMALL);
 
 $result = $platform->invoke($embeddings, <<<TEXT
     Once upon a time, there was a country called Japan. It was a beautiful country with a lot of mountains and rivers.

examples/cerebras/chat.php

@@ -22,6 +22,6 @@
     Message::forSystem('You are a helpful assistant.'),
     Message::ofUser('How is the weather in Tokyo today?'),
 );
-$result = $platform->invoke(new Model(), $messages);
+$result = $platform->invoke(new Model(Model::LLAMA3_1_8B), $messages);
 
 echo $result->getResult()->getContent().\PHP_EOL;

examples/cerebras/stream.php

@@ -23,7 +23,7 @@
     Message::ofUser('What are the top three destinations in France?'),
 );
 
-$result = $platform->invoke(new Model(), $messages, [
+$result = $platform->invoke(new Model(Model::LLAMA3_1_8B), $messages, [
     'stream' => true,
 ]);
 

examples/gemini/embeddings.php

@@ -15,7 +15,7 @@
 require_once dirname(__DIR__).'/bootstrap.php';
 
 $platform = PlatformFactory::create(env('GEMINI_API_KEY'), http_client());
-$embeddings = new Embeddings();
+$embeddings = new Embeddings(Embeddings::GEMINI_EMBEDDING_EXP_03_07);
 
 $result = $platform->invoke($embeddings, <<<TEXT
     Once upon a time, there was a country called Japan. It was a beautiful country with a lot of mountains and rivers.

examples/memory/mariadb.php

@@ -59,7 +59,7 @@
 
 // create embeddings for documents as preparation of the chain memory
 $platform = PlatformFactory::create(env('OPENAI_API_KEY'), http_client());
-$vectorizer = new Vectorizer($platform, $embeddings = new Embeddings());
+$vectorizer = new Vectorizer($platform, $embeddings = new Embeddings(Embeddings::TEXT_3_SMALL));
 $indexer = new Indexer(new InMemoryLoader($documents), $vectorizer, $store, logger: logger());
 $indexer->index($documents);
 

examples/mistral/embeddings.php

@@ -15,7 +15,7 @@
 require_once dirname(__DIR__).'/bootstrap.php';
 
 $platform = PlatformFactory::create(env('MISTRAL_API_KEY'), http_client());
-$model = new Embeddings();
+$model = new Embeddings(Embeddings::MISTRAL_EMBED);
 
 $result = $platform->invoke($model, <<<TEXT
     In the middle of the 20th century, food scientists began to understand the importance of vitamins and minerals in

examples/ollama/stream.php

@@ -17,7 +17,7 @@
 require_once dirname(__DIR__).'/bootstrap.php';
 
 $platform = PlatformFactory::create(env('OLLAMA_HOST_URL'), http_client());
-$model = new Ollama();
+$model = new Ollama(Ollama::LLAMA_3_2);
 
 $messages = new MessageBag(
     Message::forSystem('You are a helpful assistant.'),

examples/ollama/structured-output-math.php

@@ -20,7 +20,7 @@
 require_once dirname(__DIR__).'/bootstrap.php';
 
 $platform = PlatformFactory::create(env('OLLAMA_HOST_URL'), http_client());
-$model = new Ollama();
+$model = new Ollama(Ollama::LLAMA_3_2);
 
 $processor = new AgentProcessor();
 $agent = new Agent($platform, $model, [$processor], [$processor], logger: logger());